Enter the hole radius (ft) and the hole depth (ft) into the Hole Size Calculator. The calculator will evaluate the Hole Size. 

Hole Size Formula

The following two example problems outline the steps and information needed to calculate the Hole Size.

HS = pi*hr^2*hd


  • HS is the Hole Size (ft^3)
  • hr is the hole radius (ft) 
  • hd is the hole depth (ft) 

How to Calculate Hole Size?

The following steps outline how to calculate the Hole Size.

  1. First, determine the hole radius (ft). 
  2. Next, determine the hole depth (ft). 
  3. Next, gather the formula from above = HS = pi*hr^2*hd.
  4. Finally, calculate the Hole Size.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

hole radius (ft) = 3

hole depth (ft) = 10

HS = pi*hr^2*hd = ?